High Flow CAT on 9th Gen Sedan
#1
High Flow CAT on 9th Gen Sedan
I have a 2015 Civic EX Sedan and have added/ upgraded my intake, throttle body spacer, full cat back exhaust. Has anyone upgrade the Catalytic Converter on this model civic yet? Will I have any issues with the car following the install? And would it be best to wait until I purchase a header before I install a CAT and do them simultaneously?
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